Home / 2,097.12-2,894.36-1,213.46

Finding the Fourth Proportional to 2,097.12, 2,894.36 and 1,213.46

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Solution

The fourth proportional to 2,097.12, 2,894.36 and 1,213.46 is: 1,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.12 : 2,894.36 = 1,213.46 : x
  2. Step 2: Convert to fraction form
    2,097.12/2,894.36 = 1,213.46/x
  3. Step 3: Cross multiply
    2,097.12x = 2,894.36 × 1,213.46
  4. Step 4: Simplify right side
    2,097.12x = 3,512,190.09
  5. Step 5: Solve for x
    x = 3,512,190.09/2,097.12
  6. Step 6: Final answer
    x = 1,674.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.